68647259160 has 128 divisors (see below), whose sum is σ = 240867648000. Its totient is φ = 17342460288.

The previous prime is 68647259137. The next prime is 68647259203. The reversal of 68647259160 is 6195274686.

68647259160 is a `hidden beast` number, since 6 + 8 + 6 + 47 + 2 + 591 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 68647259097 and 68647259106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652172 + ... + 1693211.

It is an arithmetic number, because the mean of its divisors is an integer number (1881778500).

Almost surely, 2^68647259160 is an apocalyptic number.

68647259160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68647259160 is an abundant number, since it is smaller than the sum of its proper divisors (172220388840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68647259160 is a wasteful number, since it uses less digits than its factorization.

68647259160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345422 (or 3345412 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 68647259160 in words is "sixty-eight billion, six hundred forty-seven million, two hundred fifty-nine thousand, one hundred sixty".